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85070971063 = 13231361277
BaseRepresentation
bin100111100111010100…
…0000000000010110111
322010120202001002120001
41033032220000002313
52343211132033223
6103025302052131
76101065215541
oct1171650000267
9263522032501
1085070971063
1133095388761
12145a211a047
1380398b2200
144190432691
15232d7939ad
hex13cea000b7

85070971063 has 48 divisors (see below), whose sum is σ = 97098523392. Its totient is φ = 74478268800.

The previous prime is 85070971057. The next prime is 85070971087. The reversal of 85070971063 is 36017907058.

It is not a de Polignac number, because 85070971063 - 25 = 85070971031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85070971043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307115281 + ... + 307115557.

It is an arithmetic number, because the mean of its divisors is an integer number (2022885904).

Almost surely, 285070971063 is an apocalyptic number.

85070971063 is a deficient number, since it is larger than the sum of its proper divisors (12027552329).

85070971063 is an equidigital number, since it uses as much as digits as its factorization.

85070971063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 85070971063 in words is "eighty-five billion, seventy million, nine hundred seventy-one thousand, sixty-three".

Divisors: 1 13 31 61 169 277 403 793 961 1891 3601 5239 8587 10309 12493 16897 24583 29791 46813 58621 111631 162409 219661 266197 319579 387283 523807 762073 1451203 1817251 2855593 3460561 5034679 6809491 8252107 9906949 16238017 23624263 44987293 88523383 107277391 211094221 307115419 503378527 1394606083 2744224873 6543920851 85070971063